Improve physical geometry, fluid solvers, audio, and profiling

include/FluidSim/Solver.hpp

@@ -2,6 +2,7 @@
 
 #include "FluidSim/Component.hpp"
 #include "FluidSim/Fluid.hpp"
+#include "FluidSim/RuntimeProfiler.hpp"
 #include <cstdint>
 #include <vector>
 
@@ -13,13 +14,15 @@ public:
     std::uint64_t substep_count() const { return substep_count_; }
     int minimum_substeps{4};
     void add_component(Component& component);
-    void step(float dt);
+    void set_profiler(RuntimeProfiler* profiler) { profiler_=profiler; }
+    void step(float dt,bool profile_sample=false);
     std::uint64_t step_count() const { return step_count_; }
 private:
     std::vector<Pipe1D>& pipes_;
     BoundarySystem& boundaries_;
     std::vector<Component*> components_;
     std::uint64_t step_count_{}, substep_count_{};
+    RuntimeProfiler* profiler_{};
 };
 
 } // namespace fluidsim::port